Explanation:

- Trade Test: Assesses specific skills and proficiency in a particular trade or job. Often used in vocational settings.

- Personality Test: Evaluates characteristics and traits to understand one's behavior and preferences. Useful in both personal and professional contexts.

- Intelligence Test: Measures cognitive abilities like reasoning, problem-solving, and understanding. Commonly used in educational and psychological evaluations.

- Interest Test: Identifies preferences and inclinations in different activities and fields. It helps in career guidance and personal development.

- Correct Answer: Interest Test: This is used to know the pattern of interests or involvement of a person.